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Niferex ® -150 Capsules
(ferrous asparto glycinate and polysaccharide iron) Complex


Supplement Facts
Serving Size 1 Capsule

  Amount Per Serving % Daily Value
Iron (elemental)
(33% as Sumalate™† and 67% as polysaccharide iron complex)
150 mg 833%
Vitamin C from Ester-C ®
(81% and 1% of Ester-C ® as ascorbic acid and threonic acid)
50 mg 56%
Succinic acid 50 mg *
* Daily Value not established

Other ingredients: Malic acid, magnesium stearate, silicon dioxide, gelatin, titanium dioxide, D&C Yellow No. 10, D&C Red No. 28, FD&C Red No. 40, FD&C Blue No.1, and pharmaceutical glaze.

† Sumalate" (ferrous asparto glycinate) is a trademark of Albion International, Inc., Clearfield, Utah. U.S. Patent Pending.

‡ Ester-C® is a patented pharmaceutical grade material consisting of calcium ascorbate and calcium threonate. Ester-C® is a licensed trademark of Zila Nutraceuticals, Inc.

What are the possible side effects of ascorbic acid and iron polysaccharide (Ferrex 150 Plus, Fe-Tinic 150, Niferex-150)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have a serious side effect such as:

  • fever;
  • severe lower back pain;
  • painful or difficult urination;
  • blood in your urine; or
  • black or dark stools.

Less serious side effects may include:

  • stomach upset;
  • nausea or...

Read All Potential Side Effects and See Pictures of Niferex-150 »

Last reviewed on RxList: 8/15/2008
This monograph has been modified to include the generic and brand name in many instances.

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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